How many ambulances are required in an ambulance task force?

The correct answer is that an ambulance task force requires five ambulances, two of which must be Advanced Life Support (ALS) ambulances. In an emergency response context, having both ALS and Basic Life Support (BLS) ambulances available is crucial for providing a range of medical services. ALS ambulances are equipped with more advanced medical equipment and staffed by personnel trained to provide critical care, making them essential for situations where more intensive medical intervention may be necessary.

Having two ALS ambulances within the five ensures that there is adequate capacity for responding to higher acuity incidents while still maintaining broader support through three additional ambulances, which could either be BLS or ALS, depending on the situation and needs. This structure allows for an effective and timely response, optimizing patient care in a coordinated manner.

In contrast, the other options either specify incorrect numbers or do not meet the necessary requirements for the composition of an ambulance task force as outlined by emergency response protocols.